2. 24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass
of 74.61 amu, and 27.2% have a mass of 75.20 amu.
How many protons does this element have?
32
33
no way to know
34

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes